Granted Patent
Utility
US 6,399,736 · App. 09/481,245
Method of preparing spray elastomer systems
Inventors:
Dudley J. Primeaux, II, Robert L. Zimmerman, Kenneth Hillman
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 11, 2000
Inventors
Dudley J. Primeaux, II
Robert L. Zimmerman
Kenneth Hillman
Assignee (at issue)
HUNTSMAN PETROCHEMICAL LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.